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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
When equal intensities of light are given more photosynthesis takes place in spectrum.
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Blue
Orange
Red
Greem
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Question # 2
Which one of the following is not concerned with oxidative phosphorylation.
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Co enzyme Q
Cytochrome b
Cytochrome a3
Plastocyanin
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Question # 3
Fungi resemble animals because they are
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Saprotophs
Autotrophs
Heterotrophs
Heterosporous
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Question # 4
Vertebrates that develop embryonic membranes around their embryo called
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Amniotes
Abamniotes
Embryotes
None of these
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Question # 5
The excretory system of flatworms is composed of.
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Nephron
Nephridia
Flame cells
Ganglia
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Question # 6
Enzymes which convert dipeptide into amino acids is named as
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Erypsin
Pepsin
Trypsin
Amino peptidase
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Question # 7
Glycogen is found abundantly in
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Liver
Muscles
Kidney
Both a and b
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Question # 8
Which one of following is not cell but the fragment of large cells.
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Basophils
Leucocytes
Platelets
Erythrocytes
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Question # 9
The percentage by weight of RNA in a bacterial cells is
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0.25%
3%
5%
6%
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Question # 10
Glycolysis is the break down of
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Fructose
Glucose
Lactose
Maltose
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Question # 11
Parasitics protozoans that form sopres at some stage in their life cycle belong to the group
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Ciliates
Actinopods
Diatoms
Apicomplxans
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Question # 12
The basic difference betweenn spermatogenesis and oogenesis is that :
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During spermatogenesis two more polar bodies are produced
The mature ovum is haploid while the sperm is 1n
Spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
In oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced
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Question # 13
Saliva and urine are used for evaporative cooling by
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Bat
Dogs
Birds
Seals
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Question # 14
The stage of prophase that last for days, week or even year is.
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Leptotene
Zygotene
Pachytene
Diplotene
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Question # 15
Symbiotic association of analgaliving within fungus mycelium is known as.
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Mycorrhiza
Lichen
Root Nodules
Parasitism
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Question # 16
Which will occur as a result of nondescent of the testes?
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Mal esex hormones will not be circulated in the body
Sperm will have no means of exit from the body
Inadequate blood supply will retard the development of the testes
Variable sperm willnot be produced
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Question # 17
In which type of ecosystem in the smallest fraction of nutrients present in soil.
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Forest
Savanna
Grass land
Desert
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Question # 18
Animals of the group of flatworms have simple tubular secretory system called of
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Kidney
Nephron
Protonephridia
Nephridia
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Question # 19
Urine leaves the kidney through aduct called.
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Urethara
Pelvis
Ureter
Naphron
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Question # 20
Endangered species of plants have been recorded to more than
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200
300
400
500
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Question # 21
Karyb. Mullis developed the polymerase chain reaction in.
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1963
1973
1983
1993
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Question # 22
The two different places of DNA joined together is called as.
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Dimeric DNA
Chimeric DNA
Trimeric DNA
Tetrameric DNA
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